Q&A

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No. 544	Re: EZL50 ISP MODE	2010-01-04

Hello, If you gave Low to the ISP(-) pin, the EZL-50L may operate ISP mode. In the ISP mode, status LED will be blinking fast. However, any network devices can sense the module via Ethernet, even though 50L operates in the mode. Please check the status LED blinks fast under condition which the ISP(-) pin is High. If the status LED blinking fast in the situation, the RTL8019AS chip might be damaged by High/Low voltages that can be tolerated. In that case, you must change the chip on the module or exchange the EZL-50L to new one. Have a nice day! Roy LEE > Alireza wrote: > ~~~~~~~~~~~~~~~~~~~~~~~~~~~ > Hello > I have Ezl-50L-E and it dosent Work. > Rx & Tx LED IS OFF-Link Led is Always On And Status Is Blinking Fast. > The Reset Pin Is Low And ISP Pin is LOW. > and the Hub Unknow The Module. > Whitch Work I Must Do to Work In Normal Work